峰值吸收 的英文怎麼說
中文拼音 [fēngzhíxīshōu]
峰值吸收
英文
peak absorption-
The peak of temperature is more high with metal powder, as a result of absorptivity is more high
添加金屬粉末時，材料表面對激光的吸收率增強，同一測量點的峰值溫度升高。Ultraviolet absorption detector, photodiode array detector ( dad ), fluorescence detector, and electrochemical detector are optional detectors, response value of which is relative to not only quality of the object under test, but also structure of the compound ; refractive index detector and evaporative light - scattering detector are universal detector, responding to structure of all compounds ; evaporative light - scattering detector is quality - type detector, whose responding value only relates to quality of the object under test for compounds with similiar structures ; photodiode array detector ( dad ) can, at the same time, record absorption spectra of the object under test in a prescribed wave scope, consequently, it can be used in spectrum control and inspection of purity of chromatographic peaks of the object under test
紫外、二極體陣列、熒光、電化學檢測器為選擇性檢測器，其響應值不僅與待測物的質量有關，還與化合物的結構有關；示差折光檢測器和蒸發光散射檢測器為通用型檢測器，對所有的化合物結構均有響應；蒸發光散射檢測器屬質量型檢測器，對結構類似的化合物，其響應值幾乎僅與待測物的質量有關；二極體陣列檢測器可以同時記錄待測物在規定波長范圍內的吸收光譜，故可用於待測物的光譜管制和色譜峰純度的檢查。Was added, the absorption of morin at 350nm decreased and a new absorption peak at 419nm appeared. adding of nucleic acids to the morin - al binary system leads to decrease of the absorption at 350nm and great increase at 419nm. there is an isochromatic point at 370nm. the increase of absorbance at 419nm is proportional to the amount of nucleic acids added within certain concentration range. based on this, a new sensitive nucleic acids analysis method is established. the linear ranges of ct dna, fs dna and y rna are 0. 7135. 4 0. 6425. 6 and 0. 9428. 4g ml, respectively
鋁離子的加入使桑色素350nm處的吸收峰下降，在419nm處出現桑色素-鋁絡合物的吸收峰。再往桑色素-鋁離子二元體系中加入核糖核酸或脫氧核糖核酸，則進一步引起桑色素350nm吸收峰的降低， 419nm處的吸收大大加強，同時在370nm處有一等色點。 419nm處吸光度的增加值與加入的核酸量在一定范圍內成正比，基於此建立了在較寬范圍內測定核酸的方法。Experiment contrast show, the prepared w - type planar hexaferrite microwave absorptive material appears two absorptive peaks in the frequency range of ( 7 ~ l2ghz ), its average attel1uation exceed 7db, the maximum absorptive attenuation is 24db, coat matching thickness is l. 21mm, especialy its curie temperature is 457c. so, it can meet practical demands in military camouflage field
實驗結果表明，該種吸收材料在x波段內呈現兩個吸收峰，平均衰減量7db ，最大吸收峰為24db ，塗層匹配厚度為1 . 21mm ，特別是具有457的居里溫度。所以該種鐵氧體是一種性能優良的微波吸收材料，在軍事隱形技術中有實用價值。An enclosed single tube thermal separator was designed and by means of which the influence of single element of q, l, f, on the performances of thermal separator was investigated experimentally. on the basis of the comparison between the theoretical analyses with the results of the experiment, a relatively systematical theory of the cooling mechanism and peak oscillating effect of the thermal separator was founded
設計了一臺封閉式單管熱分離實驗裝置，對q 、 l 、 f 、 、激波吸收器等因素對熱分離機性能的影響進行了單因素實驗；對理論分析和實驗結果進行了比較，形成了較為系統的熱分離機製冷機理和峰值振蕩理論。Some researches about frequency doubling are made, and two methods to improve intensity of second frequency generation are given. we realized q - switched 532 nm laser, by using nd : gdvo4 as laser crystal, using cr4 + : yag as saturable absorber, using ktp as intra - cavity frequency doubling crystal. average power of 109mw, repetition of 40khz, pulse width of 30ns, pulse energy of 2. 6uj, peak power of 91w are obtained
4 .對倍頻理論進行研究和分析:討論兩種提高二次諧波功率密度的方一法;實驗匕在國內首次實現ld端面泵浦nd : gdvo4 / ktp ，用cr4 + : yag作為可飽和吸收片的綠光激光器，腔內倍頻得到了平均功率為109mw 、重復頻率為40khz 、脈寬為3ons 、單脈沖能量為2 . 6閃、峰值功率為glw的調q綠光輸出。The nonuseful loss of cavity were got by measuring the threshold of laser under the different output mirrors. the loss was caused by prague angle unmatching. 3. the pulse train with minor pulse width 22ns and frequency 23khz, peak power 3. 5kw were obtained in cr4 " : yag passively q - switch experience. the stability of pulse is 6 %
（ 3 ）實現了在大功率泵浦、無水冷的情況下cr ~ （ 4 + ） : yag飽和吸收體被動調q ，得到了最小脈寬為22ns 、重復頻率為23khz 、峰值功率為3 . 5kw的激光脈沖輸出，脈沖的穩定性為6 。The yield of ac decreases with the increase of koh, activating temperature and activating time while at first the amount of iodine adsorption increases then decreases. the amount of iodine adsorption of ac reached maximum when the ratio of koh to anthracite, activating temperature and activating time are 5, 750 c and 1. 5 hours respectively
隨著堿炭比的增加，活化溫度的升高，活化時間的延長，所得活性炭的收率減少，碘吸附值則呈先增大后減小的變化規律，在堿炭比為5 ，活化溫度為750 ，活化時間為1 . 5h時，活性炭對碘的吸附出現峰值。Output of high purity violet blue light matches the peaks optical absorption of acne aminolevulinic acid, metabolites inside the porphyrin, propionibacterium acnes metabolites inside the porphyrin stimulated by the withdrawal - induced chemical processes produce large singlet oxygen activity and generate a high oxidative environment to propionibacterium acnes, which accordingly leads to the death of bacteria on the skin acne cleared
輸出高純度的紫藍光，與痤瘡丙酸桿菌代謝物內卟啉的光吸收峰值匹配，痤瘡丙酸桿菌的代謝物內卟啉受到激發后的化學退激過程產生大量單線態活性氧，可對痤瘡丙酸桿菌產生一種高氧化環境，從而導致細菌死亡進而將皮膚上的痤瘡清除。After the acet is vaporized, the active substance in water is gotten. and which is vaporized at low temperature. then the crude active substance is purified by column chromatography on sephadex g - 75. after a series of purifications again, we could get some white powder at last. though the active substance is diluted to50 g / ml, the activity is still checkeded - up through phyto phtnora casicileon. the purified active substance is insensitive to heat, resistant to chloroform 、 ethanol and the orhers. in addition, the active substance is sensitive to high ph ( 10 ~ 14 ), but it is not sensitive to low ph ( 1 ~ 5 ). furthermre, when the ph is made to low again, the activity of it ' s comes back
用蒸餾水對菌體稀釋；加入適量吸附樹脂在150rpm 、 28下振蕩吸附4h ， 80 %的丙酮解吸，過濾解吸液得到活性物質的澄清溶液，旋轉蒸發儀旋轉蒸發去處丙酮，經sephadexg - 75分子篩層析得單一活性峰，收集峰值部分樣品液經冷凍乾燥得到淡褐色粉末，該活性物質用丙酮充分洗滌、甲醇-乙醚重結晶獲得略帶微黃的白色粉末，該活性物質50 g / ml仍可對蘇雲金芽孢桿菌hd - 1產生明顯的抑制作用。Based on the theoretical analysis and experimental researches, it is presented that the wider spectra are resulted from the many fluorophores with large numbers of vibrational energy levels on the ground level in the blood cells, and the reduction of the spectral intensity is due to the reabsorption of the blood cells and the energy transfer of the collisions between the fluorophore and another one or other macromolecule. on the other hand, when the concentration of the blood cells is increased, the reabsorption of the blood cells, the secondary fluorescence due to the reabsorption and the influence of the concentration on the energy levels of fluorophores are all the factors of the red - shifted spectral peaks
在進行理論分析和研究的基礎上，提出了因血細胞中存在多種熒光團，且這些熒光團的電子能級上又存在大量的不同的振動能級，從而導致被激發的熒光團發出較寬的熒光光譜；血細胞濃度的增大，熒光團以及其他大分子之間的距離變小，造成它們之間因碰撞的能量轉移概率加大，因而易產生熒光猝滅，結果導致熒光強度的變小；血細胞溶液中重吸收所導致的熒光猝滅和二次熒光發射，以及血細胞濃度的變化對其中熒光團能級系統的影響都是導致熒光峰值波長「紅移」的原因；進而研究了led光誘導血細胞產生熒光光譜的機理。4. the interaction between la3 + and mp - 11 would decrease in the intensity of the soret band and shift the band position, because of the strong coordination action of la3 + with o of the carboxyl group in the heme group and weak interaction of la3 + with o of the amido group in the peptide. the interaction also increases in the non - planarity of the heme group
由於la ~ （ 3 + ）與血紅素上羧基氧o配位鍵合作用較強，而與多肽鏈上的酰氨氧o鍵合作用較弱，因此使mp - 11的soret帶吸收值下降，峰位紅移，血紅素環的非平面性增加。Sar : recommended practice for determining the peak spatial - average specific absorption rate in the human head from wireless communications devices : measurement techniques
人腦對無線通信設備的峰值空間-平均絕對吸收率Was studied by ultraviolet absorption spectral, fluorescence spectral, and fourier transform infrared ft - ir spectral methods. with the addition of benzoate, the uv absorption peak of bsa at 210nm decreased gradually and moved to longer wavelengths. ft - ir measurement indicated the decrease of the percentage of
苯甲酸鈉的加入使得白蛋白紫外吸收光譜中210nm處的峰值逐漸降低，峰位紅移。傅里葉紅外光譜的測量結果顯示隨著苯甲酸鈉的加入白蛋白中The optical absorption and photolummescence properties of nd3 + and yb3 + have been characterized
測試了晶體的吸收光譜和熒光光譜，計算了峰值截面面積等光譜參數。Latent heat thermal energy storage ( lhtes ), can storage energy by change the phases of phase change materials ( pcms ), which can be used to solve the nonconformity problem on supply and demand time of solar energy and industry waste heat. at the same time, it can be uesed in shifting the peak heating and cooling loads off - peak hours
相變儲熱系統通過相變材料相變時需要吸收（或放出）大量熱量的性質實現能量存儲，這對于解決太陽能與工業廢熱在供求時間上的不一致問題，以及實現電力的「移峰填谷」 ，具有重要的實用價值。Vanadyl phthalocyanine ( vopc ) films prepared by vacuum deposition were annealed under magnetic field. uv - visible absorption results showed that the films annealed under magnetic field showed a q - band red - shift. x - ray diffraction study ( xpj ) ) indicated enhancement in diffraction intensity and shift of peak position
分析表明酞菁氧釩分子uv - vis吸收譜q帶峰值發生較大的紅移； xrd測試中衍射峰強度明顯增強，峰位變化，但峰寬變化不大；原子力顯微鏡（ afm ）分析發現晶粒大小無明顯變化。The infrared results showed that the ir characteristic value l080cm - lof cubic crystal sio, and the absorption peak 460cm - l of mgf, caused by the interaction between f - - mg ' + - p elastic vibration and photon radiation, appeared in the ir spectra. ellipsometric analysis showed that the typical absorption peaks 58lnm, 589nm and 606nm, resulting from the surface plasma resonance of cu panicles and reflecting the absorption on composite film system, appeared in the extinction coefficient k curves of cu ( voll5 % ) mgf, cu ( vol20 % ) mgf, and cu ( vol30 % ) mgf, cermet films, respectively. with the component of cu increasing, the peak site presented red shift, which was in accordance to the results of ultraviolet - visible spectra
橢偏測試分析表明： cu （ vol15 ） mgf _ 2 、 cu （ vol20 ） mgf _ 2和cu （ vol30 ） mgf _ 2樣品的消光系數k曲線中出現了反映復合金屬陶瓷體系吸收的由cu金屬顆粒表面等離子體共振引起的吸收峰，峰位分別為581nm 、 589nm和606nm ，呈現紅移，這些與紫外-可見光譜測試結果相一致；此外， cu - mgf _ 2復合納米金屬陶瓷薄膜光學常數的實驗值與考慮尺寸效應修正過的mg理論值總體上符合得很好。For the ld pumped self - q - switched laser, the peak power, pulse energy, pulse width and energy extraction efficiency, which have been influenced by the loss in the cavity, cavity length and the threshold absorption coefficiency of the absorber, have been calculated. then we know how to choose the parameters of the self - q - switched laser for design
根據自調q二極體泵浦固體激光器的特點，計算了腔內損耗、腔長和飽和吸收體的初始吸收系數對于峰值功率、單脈沖能量、脈沖寬度和能量利用率的影響，並由此提出了設計自調q激光器中的參數選擇規律。Eight samples of erythrocytes in bone marrow coming from patients affected by acute myeloid leukemia and nine samples from patients suffered from chronic myeloid leukemia were studied by ftir spectroscopy. spectroscopic differences of leukemic erythrocytes were observed between aml and cml samples. the ratios of the integrated areas of the band at 1540cm
研究了急性粒細胞白血病aml和慢性粒細胞白血病cml患者的骨髓血紅細胞的紅外光譜差異性：與cml紅細胞相比， aml紅細胞酰胺帶較寬1540cm - 1與1 084cm - 1吸收峰面積之間的比值較低，范圍較窄。分享友人